MCP2140A-I/SS Microchip Technology, MCP2140A-I/SS Datasheet - Page 50
![IC IRDA CONTROLLR DTE/DCE 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
MCP2140A-I/SS
Manufacturer Part Number
MCP2140A-I/SS
Description
IC IRDA CONTROLLR DTE/DCE 20SSOP
Manufacturer
Microchip Technology
Specifications of MCP2140A-I/SS
Interface
UART
Controller Type
IRDA Standard Protocol Stack Controller
Voltage - Supply
3 V ~ 5.5 V
Current - Supply
2.2mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-SSOP
Supply Voltage Range
3V To 5.5V
Power Dissipation Pd
800mW
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
SSOP
No. Of Pins
20
Svhc
No SVHC (15-Dec-2010)
Interface Type
UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP2140DM-TMPSNS - BOARD DEMO FOR MCP2140
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP2140A-I/SS
Manufacturer:
TI
Quantity:
108
MCP2140A
FIGURE B-1:
DS22050A-page 50
Normal Disconnect Mode (NDM)
Discovery
Normal Response Mode (NRM)
Open channel for IAS Queries
(approximately 70 ms
between XID commands)
(max timeslots - y frames)
Primary Device
HIGH LEVEL MCP2140A CONNECTION SEQUENCE
Broadcast ID
Send XID Commands
(timeslots n, n+1, ...)
Finish sending XIDs
Send SNRM Command
(w/ parameters and
connection address)
Open channel for data
Send Data or Status
Send Data or Status
Send IAS Queries
No IR Activity
(for 10 seconds)
No IR Activity
(for 10 seconds)
Shutdown link
(Secondary Device)
XID Response in timeslot y,
claiming this timeslot, (MCP2140A
always claims timeslot 0)
Confirm channel open for data
(MCP2140A DSR pin driven low)
No Response to these XIDs
Send Data or Status
Send Data or Status
PHACT pin driven High
No Response to Broadcast ID
Confirm channel open for IAS
Provide IAS responses
Confirm shutdown
(back to NDM state)
PHACT pin driven Low
PHACT pin driven Low
No Response
UA response with parameters
using connect address
MCP2140A
© 2007 Microchip Technology Inc.